She had been nursing her father for a long time.

He has laughing sickness, and he can't stop laughing.

Ebola virus disease is highly infectious and can cause severe symptoms.

I have a severe headache due to meteoropathy.

My grandfather is suffering from Parkinson's disease.

He lost his temper after losing the game.

I get motion sickness as soon as I get on a boat.

His eye is twitching.

I caught a cold, so I decided to take a sick leave.

This is an informal meeting.